[GIT PULL] ARM: module PLT optimizations

[Russell King - ARM Linux]

On Mon, Sep 12, 2016 at 03:35:53PM +0100, Ard Biesheuvel wrote:
> On 30 August 2016 at 17:57, Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
> > Hello Russell,
> >
> > The following changes since commit 3eab887a55424fc2c27553b7bfe32330df83f7b8:
> >
> >   Linux 4.8-rc4 (2016-08-28 15:04:33 -0700)
> >
> > are available in the git repository at:
> >
> >   git://git.linaro.org/people/ard.biesheuvel/linux-arm.git \
> >                                           tags/arm-plt-optimizations-for-v4.9
> >
> > for you to fetch changes up to 66e94ba3c8ea5ff5f1443a50441f953ef44010b1:
> >
> >   ARM: kernel: avoid brute force search on PLT generation
> >                                           (2016-08-30 17:45:34 +0100)
> >
> > ----------------------------------------------------------------
> > This series of 4 patches optimizes the ARM PLT generation code that
> > is invoked at module load time, to get rid of the O(n^2) algorithm
> > that results in pathological load times of 10 seconds or more for
> > large modules on certain STB platforms
> >
> > ----------------------------------------------------------------
> > Ard Biesheuvel (4):
> >       ARM: kernel: merge core and init PLTs
> >       ARM: kernel: allocate PLT entries only for external symbols
> >       ARM: kernel: sort relocation sections before allocating PLTs
> >       ARM: kernel: avoid brute force search on PLT generation
> >
> >  arch/arm/include/asm/module.h |   6 +-
> >  arch/arm/kernel/module-plts.c | 243 +++++++++++++++++++++++++-----------------
> >  arch/arm/kernel/module.lds    |   3 +-
> >  3 files changed, 147 insertions(+), 105 deletions(-)
> >
> 
> Ping?

It's been pulled, been through testing and I'm going to be pushing it
out into -next soon.

-- 
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